using Microsoft.EntityFrameworkCore;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using TravelAgencyContracts.BindingModels;
using TravelAgencyContracts.ViewModels;
using TravelAgencyDataModels.Models;

namespace TravelAgencyDatabaseImplement.Models
{
    public class Tour : ITourModel
    {
        public int Id { get; set; }

        [Required]
        public string TourName { get; set; } = string.Empty;

        public string TourDescription { get; set; } = string.Empty;

        [Required]
        public double Price { get; set; }

        [Required]
        public DateTime TourDate { get; set; }

        [Required]
        public int UserId { get; set; }

        [DeleteBehavior(DeleteBehavior.Restrict)]
        public virtual User User { get; set; }

        [ForeignKey("TourId")]
        public virtual List<ExcursionTour> Excursions { get; set; } = new();

        [ForeignKey("TourId")]
        public virtual List<ExcursionGroupTour> ExcursionGroups { get; set; } = new();

        public static Tour? Create(TourBindingModel? model)
        {
            if (model == null)
            {
                return null;
            }
            return new Tour()
            {
                Id = model.Id,
                TourName = model.TourName,
                TourDescription = model.TourDescription,
                Price = model.Price,
                TourDate = model.TourDate,
                UserId = model.UserId,
            };
        }
        public void Update(TourBindingModel? model)
        {
            if (model == null)
            {
                return;
            }
            TourName = model.TourName;
            TourDescription = model.TourDescription;
            Price = model.Price;
            TourDate = model.TourDate;
        }

        public TourViewModel GetViewModel => new()
        {
            Id = Id,
            TourName = TourName,
            TourDescription = TourDescription,
            Price = Price,
            TourDate = TourDate,
            UserId = UserId
        };
    }
}